Specification Brand : VTSYIQI BulletPoint1 : *Probe Model: 5MHz Φ8 ( UTG-ST ) Standard Configure Probe BulletPoint2 : *Measuring Range: 1.5 ~ 200 mm ( Steel ) BulletPoint3 : *Diameter: Φ8 mm BulletPoint4 : *Frequency 5 MHz BulletPoint5 : *Operating Temp.: 0 ~ 50 °C. WE ship the products by DHL ,FEDEX ,UPS or other express et Color : Black ExternallyAssignedProductIdentifier : 7642780156978 IncludedComponents : main host ItemName : VTSYIQI Ultrasonic Thickness Gauge Probe Transducer Replacement Probe with Frequency 5 MHz Diameter Φ8 mm for TM-8811 Ultrasonic Thickness Meter Tester Gauge Monitor ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : thickness-gauges Manufacturer : VTSYIQI202406191131VTSYIQI MeasurementAccuracy : 0.1 ModelNumber : VTSYIQI202406191131VTSYIQI NumberOfItems : 1 PartNumber : VTSYIQI202406191131VTSYIQI ProductDescription : Shipping Policy : 1.The Ultrasonic Thickness Probe are the MOST Important Part of Ultrasonic Thickness Gauge,It can’t work alone . If you want replace your before transducers or need extra transducers for expand your measuring range , you can choose this listing, otherwise,pls choose the whole suit Ultrasonic Thickness Meter . If HAVE any questions, pls contact us.